Home / 55,632.12-76,772.37-30,481.62

Finding the Fourth Proportional to 55,632.12, 76,772.37 and 30,481.62

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Solution

The fourth proportional to 55,632.12, 76,772.37 and 30,481.62 is: 42,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632.12 : 76,772.37 = 30,481.62 : x
  2. Step 2: Convert to fraction form
    55,632.12/76,772.37 = 30,481.62/x
  3. Step 3: Cross multiply
    55,632.12x = 76,772.37 × 30,481.62
  4. Step 4: Simplify right side
    55,632.12x = 2,340,146,208.84
  5. Step 5: Solve for x
    x = 2,340,146,208.84/55,632.12
  6. Step 6: Final answer
    x = 42,064.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.